Home / 1,972.95-2,722.53-1,088.56

Finding the Fourth Proportional to 1,972.95, 2,722.53 and 1,088.56

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Solution

The fourth proportional to 1,972.95, 2,722.53 and 1,088.56 is: 1,502.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972.95 : 2,722.53 = 1,088.56 : x
  2. Step 2: Convert to fraction form
    1,972.95/2,722.53 = 1,088.56/x
  3. Step 3: Cross multiply
    1,972.95x = 2,722.53 × 1,088.56
  4. Step 4: Simplify right side
    1,972.95x = 2,963,637.26
  5. Step 5: Solve for x
    x = 2,963,637.26/1,972.95
  6. Step 6: Final answer
    x = 1,502.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.